diff options
Diffstat (limited to 'arch/powerpc/platforms/maple')
-rw-r--r-- | arch/powerpc/platforms/maple/pci.c | 70 | ||||
-rw-r--r-- | arch/powerpc/platforms/maple/setup.c | 27 |
2 files changed, 52 insertions, 45 deletions
diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index 63a1670..c3aa46b 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -38,16 +38,16 @@ static struct pci_controller *u3_agp, *u3_ht; static int __init fixup_one_level_bus_range(struct device_node *node, int higher) { for (; node != 0;node = node->sibling) { - int * bus_range; - unsigned int *class_code; + const int *bus_range; + const unsigned int *class_code; int len; /* For PCI<->PCI bridges or CardBus bridges, we go down */ - class_code = (unsigned int *) get_property(node, "class-code", NULL); + class_code = get_property(node, "class-code", NULL); if (!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI && (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) continue; - bus_range = (int *) get_property(node, "bus-range", &len); + bus_range = get_property(node, "bus-range", &len); if (bus_range != NULL && len > 2 * sizeof(int)) { if (bus_range[1] > higher) higher = bus_range[1]; @@ -65,30 +65,36 @@ static int __init fixup_one_level_bus_range(struct device_node *node, int higher */ static void __init fixup_bus_range(struct device_node *bridge) { - int * bus_range; + int *bus_range; + struct property *prop; int len; /* Lookup the "bus-range" property for the hose */ - bus_range = (int *) get_property(bridge, "bus-range", &len); - if (bus_range == NULL || len < 2 * sizeof(int)) { + prop = of_find_property(bridge, "bus-range", &len); + if (prop == NULL || prop->value == NULL || len < 2 * sizeof(int)) { printk(KERN_WARNING "Can't get bus-range for %s\n", bridge->full_name); return; } + bus_range = (int *)prop->value; bus_range[1] = fixup_one_level_bus_range(bridge->child, bus_range[1]); } -#define U3_AGP_CFA0(devfn, off) \ - ((1 << (unsigned long)PCI_SLOT(dev_fn)) \ - | (((unsigned long)PCI_FUNC(dev_fn)) << 8) \ - | (((unsigned long)(off)) & 0xFCUL)) +static unsigned long u3_agp_cfa0(u8 devfn, u8 off) +{ + return (1 << (unsigned long)PCI_SLOT(devfn)) | + ((unsigned long)PCI_FUNC(devfn) << 8) | + ((unsigned long)off & 0xFCUL); +} -#define U3_AGP_CFA1(bus, devfn, off) \ - ((((unsigned long)(bus)) << 16) \ - |(((unsigned long)(devfn)) << 8) \ - |(((unsigned long)(off)) & 0xFCUL) \ - |1UL) +static unsigned long u3_agp_cfa1(u8 bus, u8 devfn, u8 off) +{ + return ((unsigned long)bus << 16) | + ((unsigned long)devfn << 8) | + ((unsigned long)off & 0xFCUL) | + 1UL; +} static unsigned long u3_agp_cfg_access(struct pci_controller* hose, u8 bus, u8 dev_fn, u8 offset) @@ -98,9 +104,9 @@ static unsigned long u3_agp_cfg_access(struct pci_controller* hose, if (bus == hose->first_busno) { if (dev_fn < (11 << 3)) return 0; - caddr = U3_AGP_CFA0(dev_fn, offset); + caddr = u3_agp_cfa0(dev_fn, offset); } else - caddr = U3_AGP_CFA1(bus, dev_fn, offset); + caddr = u3_agp_cfa1(bus, dev_fn, offset); /* Uninorth will return garbage if we don't read back the value ! */ do { @@ -182,13 +188,15 @@ static struct pci_ops u3_agp_pci_ops = u3_agp_write_config }; +static unsigned long u3_ht_cfa0(u8 devfn, u8 off) +{ + return (devfn << 8) | off; +} -#define U3_HT_CFA0(devfn, off) \ - ((((unsigned long)devfn) << 8) | offset) -#define U3_HT_CFA1(bus, devfn, off) \ - (U3_HT_CFA0(devfn, off) \ - + (((unsigned long)bus) << 16) \ - + 0x01000000UL) +static unsigned long u3_ht_cfa1(u8 bus, u8 devfn, u8 off) +{ + return u3_ht_cfa0(devfn, off) + (bus << 16) + 0x01000000UL; +} static unsigned long u3_ht_cfg_access(struct pci_controller* hose, u8 bus, u8 devfn, u8 offset) @@ -196,9 +204,9 @@ static unsigned long u3_ht_cfg_access(struct pci_controller* hose, if (bus == hose->first_busno) { if (PCI_SLOT(devfn) == 0) return 0; - return ((unsigned long)hose->cfg_data) + U3_HT_CFA0(devfn, offset); + return ((unsigned long)hose->cfg_data) + u3_ht_cfa0(devfn, offset); } else - return ((unsigned long)hose->cfg_data) + U3_HT_CFA1(bus, devfn, offset); + return ((unsigned long)hose->cfg_data) + u3_ht_cfa1(bus, devfn, offset); } static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn, @@ -211,6 +219,9 @@ static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn, if (hose == NULL) return PCIBIOS_DEVICE_NOT_FOUND; + if (offset > 0xff) + return PCIBIOS_BAD_REGISTER_NUMBER; + addr = u3_ht_cfg_access(hose, bus->number, devfn, offset); if (!addr) return PCIBIOS_DEVICE_NOT_FOUND; @@ -243,6 +254,9 @@ static int u3_ht_write_config(struct pci_bus *bus, unsigned int devfn, if (hose == NULL) return PCIBIOS_DEVICE_NOT_FOUND; + if (offset > 0xff) + return PCIBIOS_BAD_REGISTER_NUMBER; + addr = u3_ht_cfg_access(hose, bus->number, devfn, offset); if (!addr) return PCIBIOS_DEVICE_NOT_FOUND; @@ -314,12 +328,12 @@ static int __init add_bridge(struct device_node *dev) int len; struct pci_controller *hose; char* disp_name; - int *bus_range; + const int *bus_range; int primary = 1; DBG("Adding PCI host bridge %s\n", dev->full_name); - bus_range = (int *) get_property(dev, "bus-range", &len); + bus_range = get_property(dev, "bus-range", &len); if (bus_range == NULL || len < 2 * sizeof(int)) { printk(KERN_WARNING "Can't get bus-range for %s, assume bus 0\n", dev->full_name); diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c index 57567df..fe6b9bf 100644 --- a/arch/powerpc/platforms/maple/setup.c +++ b/arch/powerpc/platforms/maple/setup.c @@ -99,8 +99,7 @@ static unsigned long maple_find_nvram_base(void) static void maple_restart(char *cmd) { unsigned int maple_nvram_base; - unsigned int maple_nvram_offset; - unsigned int maple_nvram_command; + const unsigned int *maple_nvram_offset, *maple_nvram_command; struct device_node *sp; maple_nvram_base = maple_find_nvram_base(); @@ -113,14 +112,12 @@ static void maple_restart(char *cmd) printk(KERN_EMERG "Maple: Unable to find Service Processor\n"); goto fail; } - maple_nvram_offset = *(unsigned int*) get_property(sp, - "restart-addr", NULL); - maple_nvram_command = *(unsigned int*) get_property(sp, - "restart-value", NULL); + maple_nvram_offset = get_property(sp, "restart-addr", NULL); + maple_nvram_command = get_property(sp, "restart-value", NULL); of_node_put(sp); /* send command */ - outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset); + outb_p(*maple_nvram_command, maple_nvram_base + *maple_nvram_offset); for (;;) ; fail: printk(KERN_EMERG "Maple: Manual Restart Required\n"); @@ -129,8 +126,7 @@ static void maple_restart(char *cmd) static void maple_power_off(void) { unsigned int maple_nvram_base; - unsigned int maple_nvram_offset; - unsigned int maple_nvram_command; + const unsigned int *maple_nvram_offset, *maple_nvram_command; struct device_node *sp; maple_nvram_base = maple_find_nvram_base(); @@ -143,14 +139,12 @@ static void maple_power_off(void) printk(KERN_EMERG "Maple: Unable to find Service Processor\n"); goto fail; } - maple_nvram_offset = *(unsigned int*) get_property(sp, - "power-off-addr", NULL); - maple_nvram_command = *(unsigned int*) get_property(sp, - "power-off-value", NULL); + maple_nvram_offset = get_property(sp, "power-off-addr", NULL); + maple_nvram_command = get_property(sp, "power-off-value", NULL); of_node_put(sp); /* send command */ - outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset); + outb_p(*maple_nvram_command, maple_nvram_base + *maple_nvram_offset); for (;;) ; fail: printk(KERN_EMERG "Maple: Manual Power-Down Required\n"); @@ -211,7 +205,7 @@ static void __init maple_init_early(void) static void __init maple_init_IRQ(void) { struct device_node *root, *np, *mpic_node = NULL; - unsigned int *opprop; + const unsigned int *opprop; unsigned long openpic_addr = 0; int naddr, n, i, opplen, has_isus = 0; struct mpic *mpic; @@ -241,8 +235,7 @@ static void __init maple_init_IRQ(void) /* Find address list in /platform-open-pic */ root = of_find_node_by_path("/"); naddr = prom_n_addr_cells(root); - opprop = (unsigned int *) get_property(root, "platform-open-pic", - &opplen); + opprop = get_property(root, "platform-open-pic", &opplen); if (opprop != 0) { openpic_addr = of_read_number(opprop, naddr); has_isus = (opplen > naddr); |